IT978376B - PROCEDURE FOR THE PURIFICATION OF WATER SOLUTIONS OF PHOSPHORIC ACID - Google Patents
PROCEDURE FOR THE PURIFICATION OF WATER SOLUTIONS OF PHOSPHORIC ACIDInfo
- Publication number
- IT978376B IT978376B IT1949073A IT1949073A IT978376B IT 978376 B IT978376 B IT 978376B IT 1949073 A IT1949073 A IT 1949073A IT 1949073 A IT1949073 A IT 1949073A IT 978376 B IT978376 B IT 978376B
- Authority
- IT
- Italy
- Prior art keywords
- purification
- procedure
- phosphoric acid
- water solutions
- solutions
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
- C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
- C05B11/06—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using nitric acid (nitrophosphates)
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Luminescent Compositions (AREA)
- Fertilizers (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1949073A IT978376B (en) | 1973-01-23 | 1973-01-23 | PROCEDURE FOR THE PURIFICATION OF WATER SOLUTIONS OF PHOSPHORIC ACID |
| NL7400777A NL7400777A (en) | 1973-01-23 | 1974-01-21 | |
| FR7402022A FR2214658A1 (en) | 1973-01-23 | 1974-01-22 | Purifying phosphoric acid-nitrate solns. - obtd. by nitric acid digestion of phosphorite, gives prods. suitable for fertilisers |
| DE19742402758 DE2402758A1 (en) | 1973-01-23 | 1974-01-22 | METHOD FOR CLEANING UP Aqueous PHOSPHORIC ACID SOLUTIONS |
| BE140109A BE810079A (en) | 1973-01-23 | 1974-01-23 | PROCESS FOR PURIFYING AQUEOUS PHOSPHORIC ACID SOLUTIONS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1949073A IT978376B (en) | 1973-01-23 | 1973-01-23 | PROCEDURE FOR THE PURIFICATION OF WATER SOLUTIONS OF PHOSPHORIC ACID |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT978376B true IT978376B (en) | 1974-09-20 |
Family
ID=11158454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT1949073A IT978376B (en) | 1973-01-23 | 1973-01-23 | PROCEDURE FOR THE PURIFICATION OF WATER SOLUTIONS OF PHOSPHORIC ACID |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE810079A (en) |
| DE (1) | DE2402758A1 (en) |
| FR (1) | FR2214658A1 (en) |
| IT (1) | IT978376B (en) |
| NL (1) | NL7400777A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4323386A (en) * | 1978-11-03 | 1982-04-06 | Norsk Hydro A.S. | Method of manufacturing NP- or NPK-containing fertilizers from magnesium containing phosphate |
| DE3021839A1 (en) * | 1980-06-11 | 1981-12-24 | Chemische Werke Hüls AG, 4370 Marl | METHOD FOR REDUCING THE RADIOACTIVITY OF CALCIUM SULFATE MADE FROM PHOSPHORITES |
| CN112723404A (en) * | 2021-01-04 | 2021-04-30 | 贵州芭田生态工程有限公司 | Method for separating calcium, magnesium and phosphorus in chemical beneficiation by-product |
-
1973
- 1973-01-23 IT IT1949073A patent/IT978376B/en active
-
1974
- 1974-01-21 NL NL7400777A patent/NL7400777A/xx not_active Application Discontinuation
- 1974-01-22 DE DE19742402758 patent/DE2402758A1/en not_active Withdrawn
- 1974-01-22 FR FR7402022A patent/FR2214658A1/en active Granted
- 1974-01-23 BE BE140109A patent/BE810079A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2402758A1 (en) | 1974-07-25 |
| BE810079A (en) | 1974-07-23 |
| FR2214658A1 (en) | 1974-08-19 |
| NL7400777A (en) | 1974-07-25 |
| FR2214658B1 (en) | 1977-03-04 |
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